Home / 89,458.62-123,456.11-49,175.43

Finding the Fourth Proportional to 89,458.62, 123,456.11 and 49,175.43

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Solution

The fourth proportional to 89,458.62, 123,456.11 and 49,175.43 is: 67,863.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,458.62 : 123,456.11 = 49,175.43 : x
  2. Step 2: Convert to fraction form
    89,458.62/123,456.11 = 49,175.43/x
  3. Step 3: Cross multiply
    89,458.62x = 123,456.11 × 49,175.43
  4. Step 4: Simplify right side
    89,458.62x = 6,071,007,295.38
  5. Step 5: Solve for x
    x = 6,071,007,295.38/89,458.62
  6. Step 6: Final answer
    x = 67,863.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.